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NikAS [45]
3 years ago
15

Consider the given data set consisting of the number of texts sent by students during lunch.

Mathematics
2 answers:
GrogVix [38]3 years ago
7 0

Consider the given data set consisting of the number of texts sent by students during lunch.

0, 2, 3, 5, 5, 7, 8, 8, 8, 8, 9,9.9,9,10,10, 10, 10, 10, 11, 11, 11, 11, 11, 12, 12. 12. 12. 12, 12

The mean for this data set is 8.9 and the median is 10.

One student texted 48 times during lunch and we added her data point to the original data

set so that it now looks like this:

0, 2, 3, 5, 5, 7, 8, 8, 8, 8, 9,9,9,9,10,10, 10, 10, 10, 11, 11, 1111, 11, 12, 12. 12, 12, 12, 12, 48

What measure of center will be most affected by the new data point?

The mean will be most affected.

STatiana [176]3 years ago
7 0

Answer:

The mean.

Step-by-step explanation:

48 messages is a very high compared to the rest of the data so it will effect the mean. The median and the mode will be unchanged and the IQR will only change slightly. The mean will change form 8.9 to 10.2.

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Answer: 4x-3x, and 8y+2y. x+10y is the equation in simplest form.

Step-by-step explanation:

Step 1. You need to combine like terms:

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Hope I could help! :)

7 0
2 years ago
Read 2 more answers
HELP!
Contact [7]

This is about changing subject of formula.

<u><em>1) Option D</em></u>

<u><em>2) Option B</em></u>

<u><em>3) Option C</em></u>

<u><em>4) Option C</em></u>

<u><em>5) Option B</em></u>

  • 1) \frac{2}{3}x = 10

To solve for x, we need to first multiply both sides by the inverse of the coefficient of x since it is a fraction.

This means we multiply both sides by \frac{3}{2}.

Option D is correct

  • 2) We are given the equation;

d = 27.2 - 9.8t

where;

d represents the number of miles she is from home

t represents the number of hours she rides

We are told that she is now 27.2 miles from home.

Since she rides at an average of 9.8 mph, then formula for time is;

t = distance/speed = 27.2/9.8

t = 2.7755

To the nearest hundredth gives;

t = 2.78 hours

Option B is correct

  • 3)  S = 145t + 85.

t represents months you have saved

This means that the coefficient of t is the amount you saved monthly = $145

And 85 is the amount you started with.

Option C is correct

  • 4) From question 3 above, S represents the total amount saved after t months.

Thus, if you have saved  $810 after t months, then;

145t + 85 = 810

145t = 810 - 85

145t = 725

t = 725/145

t = 5 months

Option C is correct

  • 5) first shirt costs $35 and subsequent ones cost $11.

If the number you can buy is x and max amount to spend is $250, then;

35 + 11x \leq 250

11x \leq 250 - 35

11x \leq 215

x \leq 215/11

x \leq 19.55

There is no decimal shirt and so we pick 19 shirts which is option B

Read more here; brainly.com/question/24657829

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Step-by-step explanation:

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